Literature Reference: Lan: mountain mist; Yu: brilliant radiance. Though not directly from 'The Book of Songs', 'Yu' appears in 'Chu Ci·Nine Pieces·Crossing the River': 'The sun shines brightly, already white.'
岚: Shanlan, Lanxiu. It conveys the meaning of wisdom, elegance, and noble dignity.
昱: Sunlight, radiance, and illumination. In names, it often conveys the meaning of warmth and a luminous, radiant presence.
Meaning: Lan Yu symbolizes the mist of the mountains and brilliant radiance, representing purity and brightness.